tough words from john kerry, the u.s. secretary, talking of sanctions, so, yes, there is a lot of uncertainty an the markets reacting to that but they are reacting to real developments. there is this feeling that they may have under estimated the risks of an effectinglation in the ukraine. the events on the weekend are a wake-up call if you like. >> we have a map showing all of the gas pipelines that branch out throughout ukraine from russia and about 80% of russian gas, exports to europe, pass through ukraine. how worried are investors that this could be a major disruption to the gas supplies? >> yeah, it's a great question. there is a very real worry that gas supplies could be affected. i think, del, the best indication of that is the huge gas problem. >> that's the gas monopoly that supplies europe through the ukraine. the hit they have taken today in their share price, for the time being, gas transit to europe remains unaffected. but if you look at the spot gas price, it's clear there are concerns about future supplie